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EP3011268B1 - Étalonnage barométrique d'équipement utilisateur - Google Patents

Étalonnage barométrique d'équipement utilisateur Download PDF

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Publication number
EP3011268B1
EP3011268B1 EP13731079.3A EP13731079A EP3011268B1 EP 3011268 B1 EP3011268 B1 EP 3011268B1 EP 13731079 A EP13731079 A EP 13731079A EP 3011268 B1 EP3011268 B1 EP 3011268B1
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EP
European Patent Office
Prior art keywords
barometric
subset
altitude
calibration data
barometric pressure
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Application number
EP13731079.3A
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German (de)
English (en)
Other versions
EP3011268A1 (fr
Inventor
Fredrik Gunnarsson
Henrik Revsbech Dam
Javier MUÑOZ MARTIN
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Telefonaktiebolaget LM Ericsson AB
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Telefonaktiebolaget LM Ericsson AB
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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C25/00—Manufacturing, calibrating, cleaning, or repairing instruments or devices referred to in the other groups of this subclass
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C5/00—Measuring height; Measuring distances transverse to line of sight; Levelling between separated points; Surveyors' levels
    • G01C5/06—Measuring height; Measuring distances transverse to line of sight; Levelling between separated points; Surveyors' levels by using barometric means
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/02—Services making use of location information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/02—Services making use of location information
    • H04W4/029—Location-based management or tracking services

Definitions

  • a network node of a mobile communications network is provided.
  • the network node is configured to provide barometric calibration data to a given UE of the mobile communications network.
  • the network node comprises an interface configured to receive a respective calibration request from each one of a plurality of UEs.
  • the plurality of UEs includes the given UE.
  • the network node comprises at least one processor which is configured to establish at least one subset of the plurality of UEs which includes the given UE.
  • the at least one processor is further configured to determine the barometric calibration data for the established at least one subset.
  • the interface is further configured to send the barometric calibration data at least to the given UE.
  • the processor 212 of the UE 200 can be configured to calculate an altitude of the UE 200 based on the measured barometric pressure value. This can be done, e.g., by employing the so-called barometric formula.
  • the underlying exponential dependency of the pressure on the altitude is illustrated in FIG. 3 . If the reference barometric pressure and the reference altitude are known, it is possible to determine the altitude based on the measured pressure.
  • criterions are relied upon for the establishment of the subsets 600-1, 600-2.
  • Various criterions can also be combined.
  • Such criterions can be selected from the group comprising: sensor type of the barometric pressure sensor 214 of the UEs 200-1 - 200-10, the location of the UEs 200-1 - 200-10, the position of the UEs 200-1 - 200-10, the altitude of the UEs 200-1 - 200-10, a number of UEs included in the respective subset 600-1, 600-2; a size of an area covered by the respective subset 600-1, 600-2; an altitude variation of the area covered by the respective subset 600-1, 600-2; a temperature and/or temperature variation measured by the respective UEs 200-1 - 200-10 within the area covered by the respective subset 600-1, 600-2, etc.
  • Establishing the subset can take various forms.
  • a set of predefined subsets 600-1, 600-2 may exist, i.e., predefined criterions specifying each one of the set of subsets 600-1, 600-2 may be available to the network node 100.
  • the set may be stored on the memory 113 or may be obtained from another network entity.
  • the network node 100 checks the criterions of which subsets 600-1, 600-2 are fulfilled by the given UE 200-1 - 200-10 and respectively assigns the given UE 200-1 - 200-10 to one or more subsets 600-1, 600-2.
  • the calibration request of a given UE 200-1 - 200-10 can include an altitude confidence value, i.e., the error margins.
  • the determining of the barometric calibration data can be dependent on the altitude confidence values of the UEs 200-1 - 200-10 included in the respective subset 600-1, 600-2.
  • FIG. 8 Such a situation is shown in FIG. 8 , where the barometric pressure values 1011 are plotted over the altitude values 1012.
  • the altitude values shown in FIG.8 can correspond to the altitude values encountered in a subset 600-1, 600-2 which shows a significant altitude variation. Error margins are indicated in FIG.8 for some of the altitude values 1012.
  • the barometric calibration data is provided as an a visual tag at the entry to the high-rise building in a machine-readable form, e.g., as a Quick Response Code or the like. Then, when entering the high-rise building it would be possible to scan the code and thereby receive the barometric calibration data. Similar techniques may be employed by using radio tags.
  • the UE 200 measures the barometric pressure value employing the barometric pressure sensor 214 and based on the received barometric pressure sensor error compensation data 1113.
  • the measuring based on the received barometric pressure sensor error compensation data 1113 can optionally include: adjusting a measured barometric pressure sensor value based on the received based on the received barometric pressure sensor error compensation data 1113, e.g., to compensate for a temperature offset, a measurement bias, or the like.
  • measuring may not be restricted to the step of reading out the barometric pressure sensor 214, i.e. the acquiring of data, but may optionally include such post-processing steps.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Manufacturing & Machinery (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Telephone Function (AREA)

Claims (11)

  1. Procédé de fourniture de données d'étalonnage barométrique (1100) à un équipement utilisateur donné (200, 200-1 - 200-10) dans un réseau de communications mobiles, le procédé comprenant :
    - un nœud de réseau (100) recevant une demande d'étalonnage respective (1000) depuis chacun d'une pluralité d'équipements utilisateur (200, 200-1 - 200-10), la pluralité d'équipements utilisateur (200, 200-1 - 200-10) incluant l'équipement utilisateur donné (200, 200-1 - 200-10),
    - l'établissement d'au moins un sous-ensemble (600-1, 600-2) de la pluralité d'équipements utilisateur (200, 200-1 - 200-10) qui inclut l'équipement utilisateur donné (200, 200-1 - 200-10),
    - la détermination des données d'étalonnage barométrique (1100) pour l'au moins un sous-ensemble établi (600-1, 600-2), et
    - l'envoi des données d'étalonnage barométrique (1100) au moins à l'équipement utilisateur donné (200, 200-1 -200-10),
    caractérisé en ce qu'au moins l'une des demandes d'étalonnage (1000) comprend des informations de type de capteur (1013) d'un capteur de pression barométrique (214) de l'équipement utilisateur respectif (200, 200-1 - 200-10), dans lequel ledit établissement de l'au moins un sous-ensemble (600-1, 600-2) est dépendant des informations de type de capteur (1013),
    dans lequel l'au moins un sous-ensemble (600-1, 600-2) est établi en incluant les équipements utilisateur (200, 200-1 - 200-10) qui ont des informations de type de capteur correspondantes (1013) et dans lequel les données d'étalonnage barométrique (1100) incluent des données de compensation d'erreur de capteur de pression barométrique (1113).
  2. Procédé selon la revendication 1, comprenant en outre :
    - l'obtention d'une localisation d'au moins l'un parmi la pluralité d'équipements utilisateur (200, 200-1 - 200-10), dans lequel ledit établissement de l'au moins un sous-ensemble (600-1, 600-2) est dépendant de l'au moins une localisation.
  3. Procédé selon la revendication 2 dans lequel l'au moins un sous-ensemble (600-1, 600-2) est établi en incluant les équipements utilisateur (200, 200-1 - 200-10) qui sont localisés au sein d'une proximité prédéfinie les uns par rapport aux autres.
  4. Procédé selon l'une quelconque des revendications précédentes, dans lequel au moins certaines des demandes d'étalonnage (1000) comprennent une valeur de pression barométrique (1011) mesurée par un capteur de pression barométrique de l'équipement utilisateur respectif (200, 200-1 - 200-10), dans lequel ladite détermination des données d'étalonnage barométrique (1100) pour l'au moins un sous-ensemble établi (600-1, 600-2) est dépendante des valeurs de pression barométrique (1011) reçues des équipements utilisateur (200, 200-1 - 200-10) inclus dans l'au moins un sous-ensemble (600-1, 600-2).
  5. Procédé selon la revendication 4, dans lequel ladite détermination des données d'étalonnage barométrique (1100) est basée sur une valeur ou plage de valeurs revenant le plus souvent des valeurs de pression barométrique (1011) reçues des équipements utilisateur (200, 200-1 - 200-10) inclus dans l'au moins un sous-ensemble (600-1, 600-2).
  6. Procédé selon l'une quelconque des revendications précédentes, dans lequel au moins l'une des demandes d'étalonnage (1000) comprend une valeur d'altitude (1012) de l'équipement utilisateur respectif (200, 200-1 - 200-10), dans lequel ladite détermination des données d'étalonnage barométrique (1100) pour l'au moins un sous-ensemble établi (600-1, 600-2) est dépendante de l'au moins une valeur d'altitude (1012) de l'équipement utilisateur (200, 200-1 - 200-10) inclus dans l'au moins un sous-ensemble (600- 1, 600-2).
  7. Procédé selon les revendications 4 et 6, incluant en outre :
    - la compensation des valeurs de pression barométrique (1011) en fonction de la valeur d'altitude (1012).
  8. Procédé selon l'une quelconque des revendications 6 ou 7, dans lequel au moins l'une des demandes d'étalonnage (1000) comprend une valeur de confiance d'altitude de l'équipement utilisateur respectif (200, 200-1 - 200-10), dans lequel ladite détermination des données d'étalonnage barométrique (1100) pour l'au moins un sous-ensemble établi (600-1, 600-2) est dépendante de l'au moins une valeur de confiance d'altitude de l'équipement utilisateur (200, 200-1 - 200-10) inclus dans l'au moins un sous-ensemble (600-1, 600-2).
  9. Procédé selon l'une quelconque des revendications précédentes, dans lequel les données d'étalonnage barométrique (1100) comprennent en outre au moins l'une parmi une pression barométrique de référence (1111) et une altitude (1112).
  10. Nœud de réseau (100) d'un réseau de communications mobiles, le nœud de réseau (100) étant configuré pour fournir des données d'étalonnage barométrique (1100) à un équipement utilisateur donné (200, 200-1 - 200-10) du réseau de communications mobiles, le nœud de réseau (100) comprenant :
    - une interface configurée pour recevoir une demande d'étalonnage respective (1000) depuis chacun d'une pluralité d'équipements utilisateur (200, 200-1 - 200-10), la pluralité d'équipements utilisateur (200, 200-1 - 200-10) incluant l'équipement utilisateur donné (200, 200-1 - 200-10),
    - au moins un processeur configuré pour établir au moins un sous-ensemble (600-1, 600-2) de la pluralité d'équipements utilisateur (200, 200-1 - 200-10) qui inclut l'équipement utilisateur donné (200, 200-1 - 200-10) et configuré en outre pour déterminer les données d'étalonnage barométrique (1100) pour l'au moins un sous-ensemble établi (600-1, 600-2),
    dans lequel l'interface est en outre configurée pour envoyer les données d'étalonnage barométrique (1100) au moins à l'équipement utilisateur donné (200, 200-1 - 200-10),
    caractérisé en ce qu'au moins l'une des demandes d'étalonnage (1000) comprend des informations de type de capteur (1013) d'un capteur de pression barométrique (214) de l'équipement utilisateur respectif (200, 200-1 - 200-10), dans lequel ledit établissement de l'au moins un sous-ensemble (600-1, 600-2) est dépendant des informations de type de capteur (1013),
    dans lequel l'au moins un sous-ensemble (600-1, 600-2) est établi en incluant les équipements utilisateur (200, 200-1 - 200-10) qui ont des informations de type de capteur correspondantes (1013) et dans lequel les données d'étalonnage barométrique (1100) incluent des données de compensation d'erreur de capteur de pression barométrique (1113).
  11. Nœud de réseau (100) selon la revendication 10, dans lequel le nœud de réseau (100) est en outre configuré pour exécuter le procédé selon l'une quelconque des revendications 2 à 9.
EP13731079.3A 2013-06-17 2013-06-17 Étalonnage barométrique d'équipement utilisateur Active EP3011268B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2013/062502 WO2014202111A1 (fr) 2013-06-17 2013-06-17 Étalonnage barométrique d'équipement utilisateur

Publications (2)

Publication Number Publication Date
EP3011268A1 EP3011268A1 (fr) 2016-04-27
EP3011268B1 true EP3011268B1 (fr) 2020-03-04

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US (2) US9810548B2 (fr)
EP (1) EP3011268B1 (fr)
WO (1) WO2014202111A1 (fr)

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US10309775B2 (en) 2015-03-05 2019-06-04 Apple Inc. Altitude estimation using crowd-sourced pressure sensor data
EP3282785B1 (fr) * 2015-04-07 2021-07-21 LG Electronics Inc. Procédé et dispositif pour émettre/recevoir des informations relatives à un baromètre dans un système de communication sans fil
JP6541399B2 (ja) * 2015-04-10 2019-07-10 Kddi株式会社 気圧センサの気圧補正値を算出する管理装置、携帯端末及びプログラム
US9952354B2 (en) 2015-09-11 2018-04-24 At&T Intellectual Property I, L.P. User equipment local barometric calibration
US20190113365A1 (en) * 2016-04-05 2019-04-18 Fathom Systems Inc. Automatic pressure sensor output calibration for reliable altitude determination
CN107548144B (zh) * 2017-10-23 2021-04-23 中国联合网络通信集团有限公司 一种应用于NB-IoT的下行功率控制方法及设备
US11294099B1 (en) * 2018-08-08 2022-04-05 Nextnav, Llc Systems and methods for calibrating weather stations using maximum allowed altitude errors
US10462282B1 (en) * 2019-03-29 2019-10-29 Polaris Wireless, Inc. Estimating the elevation of a wireless terminal based on determining the measurement bias of a pressure reference
CN115702324A (zh) * 2020-06-11 2023-02-14 内克斯特纳夫有限公司 利用零散数据收集约束大气压力传感器校准
US20220353838A1 (en) * 2021-04-30 2022-11-03 Parsa Wireless Communications Llc Apparatus and methods for improving time advance alignment process in non-terrestrial wireless network
WO2023089455A1 (fr) * 2021-11-17 2023-05-25 Nextnav, Llc Atténuation des effets atmosphériques d'anomalies géographiques sur des estimations de pression de référence
US20240337485A1 (en) * 2023-04-10 2024-10-10 Dish Wireless L.L.C. Emergency response location detection

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Also Published As

Publication number Publication date
US20180031388A1 (en) 2018-02-01
US10466066B2 (en) 2019-11-05
US20160109259A1 (en) 2016-04-21
US9810548B2 (en) 2017-11-07
EP3011268A1 (fr) 2016-04-27
WO2014202111A1 (fr) 2014-12-24

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